SB Acoustics SB29BNC-C000-4 Beryllium tweeter
Features
- Beryllium dome for non-resonant high frequency extension
- Copper cap on pole piece for reduced voice coil inductance and minimum phase shift
- CCAW voice coil for low moving mass
- Internal pressure equalization and flow resistor for non-resonant coupling of cavities
- Long life flexible lead wires
- Inherently shielded neodymium motor system
- Compact design
- Low resonance frequency
Specs
- Nominal Impedance 4 Ω
- DC resistance, Re 3.0 Ω
- Voice coil inductance, Le 0.05 mH
- Effective piston area, Sd 9.6 cm2
- Voice coil diameter 29.0 mm
- Voice coil height 2.0 mm
- Air gap height 2.5 mm
- Linear coil travel (p-p) 0.5 mm
- Moving mass incl. air, Mms 0.46 g
- Free air resonance, Fs 950 Hz
- Sensitivity (2.83V/1m) 95 dB
- Mechanical Q-factor, Qms 1.36
- Electrical Q-factor, Qes 1.40
- Total Q-factor, Qts 0.69
- Force factor, Bl 2.6 Tm
- Rated power handling* 80 W
- Magnetic flux density 1.2 T
- Magnet weight 31 g
- Net weight 0.17 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct
